| Word Scramble - Countries | 0 | - | 4.87 | 2,102,396 |
| Countries with Four Letters | 0 | - | 4.99 | 422,652 |
| Random Countries by Borders | 0 | - | 4.99 | 82,484 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,625,444 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 383,666 |
| Random Capital to Country | 0 | - | 4.99 | 2,592,129 |
| Random Country to Capital | 0 | - | 4.98 | 920,975 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,485,325 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,010 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,871 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,482 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,568 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,671 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,677 |
| Landlocked Countries | 0 | - | 4.99 | 420,829 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,767 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 182,729 |
| Country Chain | 0 | - | 4.96 | 217,145 |
| Countries by Emojis | 0 | - | 4.99 | 239,847 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,971 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,822 |
| Islands by Country #1 | 0 | - | 4.88 | 175,327 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,561 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,915 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,747 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,769,849 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,959 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,550 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,591 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,653 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,152 |
| Name a Valid Country #1 | 0 | - | 4.99 | 290,138 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,851 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,715 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,120 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,511 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 721,206 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,902 |
| Himalayan Countries | 0 | - | 4.95 | 138,218 |
| Andean Countries | 0 | - | 4.95 | 84,332 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,556 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,441 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,181 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,605 |
| Danube Countries | 0 | - | 4.97 | 71,866 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,841 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,273 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,042 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,510 |
| European Landlocked Countries | 0 | - | 4.99 | 147,006 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,423 |
| Countries with the Most Species | 0 | - | 4.99 | 103,128 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,572 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,525 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,669 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,461 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,138 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,538 |
| Countries in the Alps | 0 | - | 4.87 | 118,009 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,033 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,789 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,563 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,480 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,351 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,851 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,504 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,370 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,097 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,726 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,574 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,433 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,097 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,371 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,394 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,613 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,195 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,716 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,861 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,353 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,757 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,132 |
| Largest Countries By Category | 0 | - | 4.97 | 157,979 |
| Countries by Countries | 0 | - | 4.96 | 63,051 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,506 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,228 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,547 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,551 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,148 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,459 |
| Island Countries | 0 | - | 4.99 | 710,559 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,303 |
| Northernmost Countries | 0 | - | 4.99 | 361,393 |
| Countries of South America | 0 | - | 5.00 | 925,520 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,616 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,872,969 |
| "Land" Countries | 0 | - | 4.98 | 336,856 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,983 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,234 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,152 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,776 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,499 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,380,556 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,748 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,232 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,196 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,160 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,275 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,889 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,117 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,296 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,146 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,574 |
| Countries with Megacities | 0 | - | 4.99 | 263,693 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,414 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,302 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,689 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,343 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,678 |
| Countries by Official Language | 0 | - | 4.95 | 195,000 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,039 |
| Countries in their Native Language | 0 | - | 4.99 | 198,509 |
| Independence from Whom | 0 | - | 4.99 | 211,789 |
| Subdivisions by Country | 0 | - | 4.86 | 50,379 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,155 |
| Megadiverse Countries | 0 | - | 4.96 | 134,911 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,859 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,280 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,860 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,067 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,958 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,502 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,271 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,959 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,584 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,048 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,412 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,807 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,119 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,895 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,267 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,429 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,804 |
| World Map Quiz | 0 | - | 4.81 | 64,922 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,106 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,564 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,226 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,849 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,134 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,855 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,866 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,760 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,894 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,199 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,374 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,471 |
| Widest Countries East to West | 0 | - | 4.92 | 129,544 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,421 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,220 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,076 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,661 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,447 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,730 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,326 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,772 |
| Countries with Double Letters | 0 | - | 4.97 | 95,808 |
| Countries that End in N | 0 | - | 4.95 | 170,754 |
| Countries with Five Letters | 0 | - | 4.96 | 281,823 |
| Countries with Six Letters | 0 | - | 4.94 | 213,161 |
| Countries with W | 0 | - | 4.97 | 160,050 |
| Countries with Z | 0 | - | 4.98 | 291,007 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,383 |
| Countries That End in U | 0 | - | 4.95 | 120,682 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,180 |
| Countries that End in O | 0 | - | 4.92 | 159,398 |
| Countries that End in R | 0 | - | 4.87 | 118,869 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,642 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,782 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,453 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,299 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,001 |
| Countries That End in Y | 0 | - | 4.91 | 185,789 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,644 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,683 |
| Countries that End in I | 0 | - | 4.94 | 135,002 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,822 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,724 |
| Countries That End in NIA | 0 | - | 4.92 | 109,667 |
| Countries That End in BIA | 0 | - | 4.93 | 149,051 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,942 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,270 |
| Countries That End in RIA | 0 | - | 4.93 | 126,705 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,846 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,239 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,491 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,885 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,453 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,478 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,876 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,394 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,373 |
